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# Copyright (c) 2012 Amazon.com, Inc. or its affiliates. All Rights Reserved
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish, dis-
# tribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the fol-
# lowing conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
#
import os
# This allows boto modules to say "from boto.compat import json". This is
# preferred so that all modules don't have to repeat this idiom.
try:
import simplejson as json
except ImportError:
import json
# Switch to use encodebytes, which deprecates encodestring in Python 3
try:
from base64 import encodebytes
except ImportError:
from base64 import encodestring as encodebytes
# If running in Google App Engine there is no "user" and
# os.path.expanduser() will fail. Attempt to detect this case and use a
# no-op expanduser function in this case.
try:
os.path.expanduser('~')
expanduser = os.path.expanduser
except (AttributeError, ImportError):
# This is probably running on App Engine.
expanduser = (lambda x: x)
from boto.vendored import six
from boto.vendored.six import BytesIO, StringIO
from boto.vendored.six.moves import filter, http_client, map, _thread, \
urllib, zip
from boto.vendored.six.moves.queue import Queue
from boto.vendored.six.moves.urllib.parse import parse_qs, quote, unquote, \
urlparse, urlsplit
from boto.vendored.six.moves.urllib.parse import unquote_plus
from boto.vendored.six.moves.urllib.request import urlopen
if six.PY3:
# StandardError was removed, so use the base exception type instead
StandardError = Exception
long_type = int
from configparser import ConfigParser, NoOptionError, NoSectionError
unquote_str = unquote_plus
parse_qs_safe = parse_qs
else:
StandardError = StandardError
long_type = long
from ConfigParser import SafeConfigParser as ConfigParser
from ConfigParser import NoOptionError, NoSectionError
def unquote_str(value, encoding='utf-8'):
# In python2, unquote() gives us a string back that has the urldecoded
# bits, but not the unicode parts. We need to decode this manually.
# unquote has special logic in which if it receives a unicode object it
# will decode it to latin1. This is hard coded. To avoid this, we'll
# encode the string with the passed in encoding before trying to
# unquote it.
byte_string = value.encode(encoding)
return unquote_plus(byte_string).decode(encoding)
# These are the same default arguments for python3's
# urllib.parse.parse_qs.
def parse_qs_safe(qs, keep_blank_values=False, strict_parsing=False,
encoding='utf-8', errors='replace'):
"""Parse a query handling unicode arguments properly in Python 2."""
is_text_type = isinstance(qs, six.text_type)
if is_text_type:
# URL encoding uses ASCII code points only.
qs = qs.encode('ascii')
qs_dict = parse_qs(qs, keep_blank_values, strict_parsing)
if is_text_type:
# Decode the parsed dictionary back to unicode.
result = {}
for (name, value) in qs_dict.items():
decoded_name = name.decode(encoding, errors)
decoded_value = [item.decode(encoding, errors)
for item in value]
result[decoded_name] = decoded_value
return result
return qs_dict
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